implemented basic keyboard input getting

src/screen.c

@@ -6,12 +6,12 @@ static size_t terminal_column;
 static uint8_t terminal_color;
 static uint16_t* terminal_buffer;
 
-uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) 
+inline uint8_t vga_entry_color(enum vga_color fg, enum vga_color bg) 
 {
         return fg | bg << 4;
 }
 
-uint16_t vga_entry(unsigned char uc, uint8_t color) 
+inline uint16_t vga_entry(unsigned char uc, uint8_t color) 
 {
         return (uint16_t) uc | (uint16_t) color << 8;
 }
@@ -49,14 +49,32 @@ void terminal_putentryat(char c, uint8_t color, size_t x, size_t y)
         terminal_buffer[index] = vga_entry(c, color);
 }
 
-void terminal_putchar(char c) 
+void terminal_putchar(char c)
 {
-        terminal_putentryat(c, terminal_color, terminal_column, terminal_row);
-        if (++terminal_column == VGA_WIDTH) {
+	/*if(c == '\n')
+	{
+		terminal_column = 0;
+		terminal_row++;
+	}*/
+	if(c != '\n')
+		terminal_putentryat(c, terminal_color, terminal_column, terminal_row);
+
+	if (++terminal_column >= VGA_WIDTH){
                 terminal_column = 0;
-                if (++terminal_row == VGA_HEIGHT)
-                        terminal_row = 0;
-        }
+		terminal_initialize();
+        	if (++terminal_row >= VGA_HEIGHT)
+                	terminal_row = 0;
+	}
+	if(terminal_row >= VGA_HEIGHT){
+		terminal_row = 0;
+	}
+	
+	if(c == '\n')
+	{
+		terminal_column = 0;
+		terminal_row++;
+	}
+
 }
 
 void terminal_write(const char* data, size_t size) 
@@ -68,6 +86,4 @@ void terminal_write(const char* data, size_t size)
 void terminal_writestring(const char* data) 
 {
         terminal_write(data, strlen(data));
-	terminal_row++;
-	terminal_column = 0;
 }